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From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Kevin Hilman <khilman@kernel.org>
Cc: "jinkun.hong" <jinkun.hong@rock-chips.com>,
	linus.walleij@linaro.org, linux-arm-kernel@lists.infradead.org,
	Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Grant Likely <grant.likely@linaro.org>,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Randy Dunlap <rdunlap@infradead.org>,
	linux-doc@vger.kernel.org, dianders@chromium.org,
	Heiko Stuebner <heiko@sntech.de>,
	linux-rockchip@lists.infradead.org,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Jack Dai <jack.dai@rock-chips.com>
Subject: Re: [PATCH v4 1/3] power-domain: add power domain drivers for Rockchip platform
Date: Mon, 20 Oct 2014 22:40:29 +0100	[thread overview]
Message-ID: <20141020214029.GY27405@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <7hppdme8d6.fsf@deeprootsystems.com>

On Mon, Oct 20, 2014 at 02:31:17PM -0700, Kevin Hilman wrote:
> "jinkun.hong" <jinkun.hong@rock-chips.com> writes:
> > +	spin_lock_irqsave(&pd->idle_lock, flags);
> > +	val = (idle) ? mask : 0;
> > +	regmap_update_bits(pd->regmap_pmu, REQ_OFFSET, mask, val);
> > +	dsb();
> 
> A summary of the locking and barriers here (or in changelog) would be
> helpful for reviewers to verify you're protecting what you need to
> protect.

It's also worth saying that the Linux specific barrier names should be
used unless there is a pressing reason to use the ARM specific barrier
names.

-- 
FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up
according to speedtest.net.

  reply	other threads:[~2014-10-20 21:41 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-20  9:03 [PATCH v4 0/3] ARM: rk3288 : Add PM Domain support jinkun.hong
2014-10-20  9:03 ` [PATCH v4 1/3] power-domain: add power domain drivers for Rockchip platform jinkun.hong
2014-10-20  9:09   ` Varka Bhadram
2014-10-20 21:31   ` Kevin Hilman
2014-10-20 21:40     ` Russell King - ARM Linux [this message]
2014-10-22  3:40     ` Hong jinkun
2014-10-20  9:03 ` [PATCH v4 2/3] dt-bindings: add document of Rockchip power domain jinkun.hong
2014-10-20  9:03 ` [PATCH v4 3/3] ARM: dts: add rk3288 power-domain node jinkun.hong
2014-10-20 21:32 ` [PATCH v4 0/3] ARM: rk3288 : Add PM Domain support Kevin Hilman

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